CN109747649A - Vehicle control system and method based on driver condition - Google Patents

Vehicle control system and method based on driver condition Download PDF

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Publication number
CN109747649A
CN109747649A CN201811294808.XA CN201811294808A CN109747649A CN 109747649 A CN109747649 A CN 109747649A CN 201811294808 A CN201811294808 A CN 201811294808A CN 109747649 A CN109747649 A CN 109747649A
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China
Prior art keywords
vehicle
driver
road shoulder
lane
eyeball
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Granted
Application number
CN201811294808.XA
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Chinese (zh)
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CN109747649B (en
Inventor
沈相均
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Halla Creedong Electronics Co ltd
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Mando Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18163—Lane change; Overtaking manoeuvres
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
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    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
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    • A61B5/163—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state by tracking eye movement, gaze, or pupil change
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    • A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
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Abstract

The present invention relates to vehicle control system and method based on driver condition, which has: detection device comprising camera, dynamics of vehicle sensor, vehicle picket surveillance camera, vehicle-surroundings monitoring sensor and navigator；And electronic control unit, driver condition is analyzed by receiving face and the eyeball of the driver that the detection signal inputted from the detection device identifies, and in the case where being judged as that driver does not travel will, it is to dock to road shoulder by vehicle control, so as to guide safer vehicle driving.

Description

Vehicle control system and method based on driver condition
Technical field
The present invention relates to vehicle control system and method based on driver condition, more particularly, to it is following based on The vehicle control system and method for driver condition: driver's shape is analyzed by the face of driver and eyeball under steam State, and in the case where being judged as that driver does not travel will, it is to dock to road shoulder by vehicle control, to guide safer Vehicle driving.
Background technique
In general, advanced driving assistance system (Advanced Driver Assistance System, ADAS) is by vehicle Initiative recognition a part of situation in generable many situations and judges situation come the system that controls mechanical device in driving.It should System is to be finally completed autonomous traveling technology in order to help and assist driver during complicated vehicle control and research and develop 's.
Such ADAS include: have collide dangerous when, even if driver do not step on brake apparatus and also can be automatic Reduce ' automatic emergency brake system (Autonomous the Emergency Braking, AEB) ' of speed or stopping, being detached from vehicle Adjust driving direction when road and keep lane ' traveling steering assist system (Lane Keep Assist System, LKAS) ', ' the advanced intelligent cruise control at interval is actively kept while prior defined speed traveling between front truck (Advanced Smart Cruise Control, ASCC) ', check frequency collide dangerous and help to be altered to safe lane ' rear side side collide avoid assistance system (Active Blind Spot Detection, ABSD) ', visually show vehicle ' looking around display system (Around View Monitor, AVM) ' etc. of surrounding condition.
Existing technical literature
Patent document
Korean Patent Laid the 2013-0023535th (2013.03.08)
Korean Patent Laid the 2014-0050424th (2014.04.29)
Japanese Laid-Open Patent Publication the 2015-210734th (2015.11.24)
Summary of the invention
Subject to be solved by the invention
Therefore, the present invention is that the object of the present invention is to provide one kind such as in order to solve the problems, such as to research and develop as above-mentioned Under the vehicle control system and method based on driver condition: driving is analyzed by the face of driver and eyeball in traveling Person's state, and in the case where being judged as that driver does not travel will, it is to dock to road shoulder for vehicle control, so that guidance is more The vehicle driving of safety.
The means to solve the problem
In order to achieve the purpose that as above-mentioned, the vehicle control system of the invention based on driver condition includes；Detection dress It sets comprising camera, dynamics of vehicle sensor, vehicle picket surveillance camera, vehicle-surroundings monitoring sensor and lead Navigate instrument；And electronic control unit, by the face for receiving the driver that the detection signal inputted from the detection device identifies Portion and eyeball and analyze driver condition, and in the case where being judged as that driver does not travel will, control to stop vehicle It is put into road shoulder.
The electronic control unit can analyze driver's eyeball in the case where the driver condition analyzed is normal, And vehicle is controlled based on the movement of driver's eyeball.
Invention effect
Such as above-mentioned, the vehicle control system and method according to the present invention based on driver condition, pass through driving in traveling Face and the eyeball of person and analyze driver condition, and in the case where being judged as that driver does not travel will, by vehicle control It is made as docking to road shoulder, so that guides safer vehicle driving.
In addition, driver's eyeball can be analyzed, and be based on driver in the case where the driver condition analyzed is normal The movement of eyeball controls vehicle.
Detailed description of the invention
Fig. 1 is the integrally-built block diagram for diagrammatically showing the vehicle control system of the preferred embodiment of the present invention.
Fig. 2 is the flow chart for diagrammatically showing the overall process of control method for vehicle of the preferred embodiment of the present invention.
Fig. 3 is that diagrammatically to show the preferred embodiment of the present invention is to be moved to after road shoulder to stop by vehicle control The flow chart of the process of method.
The method that vehicle is moved to show preferred embodiment in accordance with the present invention by road shoulder with image in Fig. 4.
Fig. 5 is the process for diagrammatically showing the process of the method for analysis driver's eyeball of the preferred embodiment of the present invention Figure.
Label declaration
10: detection device
11: driver's supervision camera
12: dynamics of vehicle sensor
13: vehicle picket surveillance camera
14: vehicle-surroundings monitoring sensor
15: navigator
20: electronic control unit
30: driver does not pay attention to alarm device
40: acceleration/deceleration control device
50: steering control device
Specific embodiment
By referring to the aftermentioned embodiment being described with reference to the drawings, advantages of the present invention, feature can be well understood And reach their method.But the present invention is not limited to embodiments disclosed below, but can be real by other various forms It is existing, embodiment only for the present invention is completely disclosed, and completely introduce to those skilled in the art invention range and It provides, the present invention should be defined only by the range of claims.Throughout the specification, identical reference label indicates Identical constitutive requirements.
In the following, being carried out specifically referring to attached drawing to the vehicle control system of the invention based on driver condition and method It is bright.
Fig. 1 is the integrally-built block diagram for diagrammatically showing the vehicle control system of the preferred embodiment of the present invention.
As shown in Figure 1, including driver's supervision camera 11, dynamics of vehicle biography using vehicle control system of the invention The detection devices 10, electronics such as sensor 12, vehicle picket surveillance camera 13, vehicle-surroundings monitoring sensor 14 and navigator 15 Control device (Electronic Control Unit, ECU) 20, driver do not pay attention to alarm device 30, brake control 40 And steering control device 50.
Driver's supervision camera 11 is as the various well known imaging sensors such as FIR camera, set on the inside of vehicle And the image of the face for obtaining driver and eyeball is identified driver's countenance, driver's eye opening/eye closing, driver Moving and watching the drivers such as position attentively for eyeball monitors that information is transmitted to electronic control unit 20.
Dynamics of vehicle sensor 12 is used as wheel speed sensors, acceleration transducer, Yaw rate sensor, steering angle sensing The various well known sensors such as device are configured at the position appropriate such as wheel, steering wheel of vehicle and will test the traveling of this vehicle Speed, acceleration, yaw rate, steering angle etc. are transmitted to electronic control unit 20 come the dynamics of vehicle information identified.
Vehicle picket surveillance camera 13 is various known as FIR camera, CMOS camera (or CCD camera) etc. Imaging sensor, will be detected within the certain angle of vehicle front and distance purple set on the upper end of the front glass of vehicle The light of the various frequency bands such as outside line frequency band, visible light region is simultaneously projected, to obtain the external object of vehicle front, lane line (lane), the images such as direction board are transmitted to electronic control unit 20 come the vehicle front position information identified.
Vehicle-surroundings monitoring sensor 14 is as the various well known sensors such as radar sensor, positioned at the front-back of vehicle Center and corner and by the range at a certain angle to receiving after transmitting electromagnetic wave in front of sensor from vehicle week is located at The electromagnetic wave that the object on side reflects back, to detect the angle between this vehicle and periphery object, distance, relative velocity, phase The vehicle-surroundings information identified to acceleration etc. is transmitted to electronic control unit 20.
Navigator 15, which is used as, confirms vehicle by GPS (Global Positioning System: global positioning system) Current position come the road that show map or confirms distance until destination and required time and guide until destination Diameter helps vehicle drive, and in case of emergency or because of vehicle trouble needs emergency dispatch service or need to rescue because of accident In the case where helping, it is possible to notify that the device or program of the current position of vehicle, navigator 15 of the invention is by the current of this vehicle Travel path information and road shoulder information etc. are transmitted to electronic control unit 20.
Electronic control unit 20 and receiving detection signal from detection device 10 the driver face that identifies and eyeball come Driver condition is analyzed, and in the case where being judged as that driver does not travel will, controls vehicle parking to road shoulder, thus draw Lead safer vehicle driving.
In addition, electronic control unit 20 can be in the case where the driver condition analyzed be normal, analysis driver's eye Ball controls vehicle based on the movement of driver's eyeball.
Driver do not pay attention to alarm device 30 be receive electronic control unit 20 control signal and not infusing to driver The device that meaning sounds an alarm, acceleration/deceleration control device 30 receive the control signal of electronic control unit 20 and increase vehicle Engine output generates brake pressure, and steering control device 40 receives the control signal of electronic control unit 20 and generates vehicle Steering wheel steering angle.
The present invention provides following method: analyzing driver condition by the face and eyeball of driver, and is judging In the case where not travelling will for driver, control thus to guide safer vehicle driving for vehicle parking to road shoulder.
In addition, the present invention also provides following methods: in the case where the driver condition of analysis is normal, analysis is driven Person's eyeball, and vehicle is controlled based on the movement of driver's eyeball.
In the following, referring to Figure 2 to Figure 4, to executed using the system constituted in this way in the present invention based on driver condition The method of vehicle control be illustrated.
Fig. 2 is the flow chart for diagrammatically showing the overall process of control method for vehicle of the preferred embodiment of the present invention.
As shown in Fig. 2, the vehicle control system based on driver condition in the present invention passes through driver's supervision camera 11 and obtain the face of driver and the image of eyeball, come identify driver monitor information (for example, the countenance of driver, Eye opening/eye closing of driver, driver's eyeball move and watch position attentively etc.) (S210).
Also, identified driver is utilized to monitor information to analyze driver condition (S220).For example, driver's In the case that face frowns or distorts, analyze and be abnormal for the health of driver, or can by the movement of driver's eyeball, blink Eye, the sleepy state closed one's eyes and analyze driver.Specifically, in the case where driver's eyeball continually moves up and down, Analysis is sleepy state, in the slow situation of blink of driver, analyzes as doze state, closes the feelings of eyes in driver Under condition, analyze as sleep state.
When the driver condition analyzed in step S220 is not normal, do not notice that alarm device 30 is right by driver Not the paying attention to of driver sounds an alarm (S232).At this point, driver does not notice that alarm device 30 receives electronic control unit 20 It controls signal with time going by, is executed by stages through 1 alarm of vision, passes through 2 polices of vision and the sense of hearing Report passes through vision, the sense of hearing and 3 alarms of tactile (for example, deflecting roller vibration).
Even if having issued the alarm of step S232, but also continue can't detect (example in the case where the traveling will of driver Such as, the movement that driver's eyeball does not occur during certain time is not detected the steering operation of driver, accelerates operation, system In the case where dynamic operation), it is passed by dynamics of vehicle sensor 12, vehicle picket surveillance camera 13, vehicle-surroundings monitoring Sensor 14 and navigator 15 and identify vehicle rear-side side and vehicle-surroundings object information, and analyze traveling ahead path to judge energy No to be moved to road shoulder, in the case where that can move, control vehicle stops after being moved to road shoulder, in irremovable situation Under, it is to be slowed down and stop (S234) by vehicle control after judging that danger is collided in rear of vehicle.About by vehicle control To be moved to the method stopped after road shoulder, will be described in detail referring to Fig. 3 and Fig. 4.
In the case that the driver condition analyzed in step S220 is normal, analyze driver's eyeball (S242), and base Vehicle (S244) is controlled in the movement of driver's eyeball.About the method for analysis driver's eyeball, will be carried out referring to Fig. 5 in detail Thin explanation.
Fig. 3 is that diagrammatically to show the preferred embodiment of the present invention is to be moved to after road shoulder to stop by vehicle control The flow chart of the process of method, Fig. 4 are moved to road shoulder with image to show preferred embodiment in accordance with the present invention for vehicle Method.
Even if as shown in figure 3, not paying attention to alarm performing driver, but also continuing can't detect the traveling meaning of driver In the case where will, the detection road shoulder (S310) that vehicle is mobile.About this, exist when receiving front road shoulder from navigator 15 Information, longitudinal direction/transverse direction distance from this vehicle to road shoulder until place, until from this vehicle to road shoulder end place Longitudinal/lateral distance recognizes right side solid line lane line and side lane by vehicle picket surveillance camera 13 When the edge of road, it is considered as that there are road shoulders.
Later, the current position (S320) of this vehicle is grasped.About this, using from navigator 15 it is received from this vehicle to Road shoulder start place until lateral distance and confirm whether the current position of this vehicle is lane beside road shoulder, from this vehicle Lateral distance until road shoulder starts place is that the current position of this vehicle is considered as road shoulder in certain distance situation below Side lane.Or when the identification information by vehicle picket surveillance camera 13 recognizes the road edge in side lane When, it can determine whether as this vehicle the lanes beside road shoulder.
Also, it is judged as that this vehicle when lanes, is passed not beside road shoulder by dynamics of vehicle in step s 320 Sensor 12, vehicle picket surveillance camera 13 and vehicle-surroundings monitoring sensor 14 and identify rear of vehicle and vehicle-surroundings pair Image information come judge can change lane, can change lane in the case where, by lane be changed to side lane (S322).
When through step S320 or step this vehicle of S322 lanes beside road shoulder, the width in road shoulder lane is calculated Whether the width for spending and confirming road shoulder lane is the degree (for example, minimum 2.8m or more) (S330) for being able to carry out vehicle parking.
In the case that road shoulder lane width is the degree for being able to carry out vehicle parking in step S330, vehicle power is utilized It learns sensor 12, vehicle picket surveillance camera 13 and vehicle-surroundings monitoring sensor 14 and detects whether that there are road shoulder travelings Vehicle (S340).
According to step S340's as a result, using from navigator 15 it is received until from this vehicle to road shoulder end place away from From or the road edge end place that is identified of vehicle picket surveillance camera 13 and calculate parking site (S350).
Finally, being moved to vehicle is stopped (S360) in step S350 after calculated parking site.
Additionally, emergency light is lighted after S360 or transmits information of vehicles, driver information, driver condition information It requests to transfer control centre's ambulance or police car to Central Control Center.At this point, after the health and fitness information of confirmation driver, such as Fruit is the driver with healthy medical history, then can request transfer emergency tender that can ask if driver does not stand in certain time Seek transfer police car.
Fig. 5 is the process for the method for diagrammatically showing preferred embodiment in accordance with the present invention and analyzing driver's eyeball Flow chart.
As shown in figure 5, correcting 1 eyeball zero point (S510) in the early stage first when the driver condition of analysis is normal. Here, storage left side side lane, this lane, the eyeball position in camera when watched attentively beside right side in front of lane.
Later, filtering on the move and the vehicle control of driver's eyeball it is unrelated it is simple move (S520).About this, lead to It crosses following steps and realizes: sending driver to vehicle picket surveillance camera 13 and watch attentively at present location information (S522), and (S524) after the object in driver's watching area is detected by vehicle picket surveillance camera 13, in pair detected In the case where not being lane line or lane, it is judged as simple mobile (S526) unrelated with vehicle control.
Finally, detecting vehicle control from the movement of driver's eyeball requests mobile (S530).About this, in step S520 In, it is being judged as simple movement not unrelated with vehicle control, and lane is detected in driver's watching area, and work as Driver's eyeball is judged as vehicle control request movement, lane can be performed and become when certain time watches mobile lane line region attentively More control.Or the feelings of the scaring of driver are detected by the movement that the pupil of driver's eyeball such as expands at drivers' eyeball Under condition, vehicle braking control can be performed.
More detailed description is carried out to the present invention above by several embodiments, but the present invention is not limited to such realities Example is applied, various modifications implementation can be carried out without departing from the scope of the invention.

Claims (14)

1. a kind of control method for vehicle, includes the following steps:
By driver's supervision camera obtain driver face and eyeball image come identify driver monitor information；
The driver identified is utilized to monitor information to analyze driver condition；And
In the case where being judged as that the driver condition analyzed is abnormal and driver does not travel will, by vehicle Control is to be moved to road shoulder and stop.
2. control method for vehicle according to claim 1, wherein
It is to be moved to road shoulder and the step of stopping includes the following steps: by the vehicle control
Driver is not paid attention to sounding an alarm when the driver condition analyzed is abnormal；
Even if can judgement move to road shoulder in the case where having issued the alarm traveling will of driver being also not detected It is dynamic；And
It is to be moved to after road shoulder stop by vehicle control in the case where can be mobile to road shoulder, cannot be to road shoulder It is to be slowed down and stopped by vehicle control in the case where movement.
3. control method for vehicle according to claim 2, wherein
It is to be moved to after road shoulder the step of being stopped to include the following steps: by the vehicle control
Detection can be for the road shoulder of vehicle movement；
Whether the current position for grasping the vehicle is lane beside road shoulder:
Whether the width for confirming road shoulder lane is the degree for being able to carry out vehicle parking；
Detect whether that there are road shoulder driving vehicles；
Road shoulder parking site is calculated when road shoulder driving vehicle is not detected；And
It stops after so that vehicle is moved to the calculated road shoulder parking site.
4. control method for vehicle according to claim 3, wherein
The control method for vehicle further includes following steps:
When the current position for grasping the vehicle is not lane beside road shoulder, make the vehicle that lane is changed to the road Lane beside shoulder.
5. control method for vehicle according to claim 3 or 4, wherein
Detecting can include: for the step of vehicle mobile road shoulder
When from navigator receive front road shoulder there are information, since the vehicle to road shoulder longitudinal direction/transverse direction until place The step of detecting road shoulder when distance or longitudinal direction/lateral distance until the vehicle to road shoulder end place；Or
Road is detected when identifying right side solid line lane line and side three-lane road edge by vehicle picket surveillance camera The step of shoulder.
6. control method for vehicle according to claim 3 or 4, wherein
The step of whether current position for grasping the vehicle is lane beside road shoulder includes the following steps:
Lateral distance until place navigator is received from the vehicle to road shoulder；And
It is received since the vehicle to road shoulder under lateral distance until place is certain distance situation below, grasp Current position for the vehicle is lane beside road shoulder.
7. control method for vehicle according to claim 3 or 4, wherein
The step of lane is changed to lane beside the road shoulder includes the following steps:
After identifying vehicle by dynamics of vehicle sensor, vehicle picket surveillance camera and vehicle-surroundings monitoring sensor Side and vehicle-surroundings object information are come can judge change lane；And
Can change lane in the case where, lane is changed to lane beside the road shoulder.
8. control method for vehicle according to claim 3 or 4, wherein
The step of calculating the road shoulder parking site includes the following steps:
It calculates the road shoulder using the distance or road edge end place until the vehicle to road shoulder end place and stops Vehicle place.
9. control method for vehicle according to any one of claims 1 to 4, wherein
The control method for vehicle further include:
The step of lighting emergency light；Or
Information of vehicles, driver information and driver condition information are transmitted to Central Control Center and request to transfer control centre The step of ambulance or police car.
10. control method for vehicle according to claim 1, wherein
The control method for vehicle includes the following steps:
In the case where the driver condition analyzed is normal, driver's eyeball is analyzed and the shifting based on driver's eyeball It moves to control vehicle.
11. control method for vehicle according to claim 10, wherein
The step of analyzing driver's eyeball includes the following steps:
Correct the zero point of driver's eyeball；
Filter the unrelated simple movement of the on the move and vehicle control of driver's eyeball；And
Vehicle control request movement is detected from the movement of driver's eyeball.
12. control method for vehicle according to claim 11, wherein
The step of correcting the zero point of driver's eyeball includes the following steps:
When being look at the front in left side side lane, this lane, right side side lane, driver's eyeball in camera is stored Position.
13. control method for vehicle according to claim 11 or 12, wherein
The step moved merely is filtered to include the following steps:
Driver, which is sent, to vehicle picket surveillance camera watches location information attentively at present；
By the vehicle picket surveillance camera in driver's watching area test object；And
In the case where the object detected is not lane line or lane, it is judged as the simple movement.
14. control method for vehicle according to claim 11, wherein
Detecting the mobile step of the vehicle control request includes:
It is not the simple movement when being judged as and detects lane in driver's watching area and driver's eyeball exists When certain time watches mobile lane line region attentively, it is judged as the mobile step of vehicle control request；Or
In the case where the pupil of driver's eyeball is extended, it is judged as the mobile step of vehicle control request.
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